Post Utme Unn 2017 Physics Question 16

Practice objective / multiple choice question 16 from the 2017 Post Utme Unn Physics examination.

Post Utme Unn 2017 Physics Objective / Multiple Choice

Question 16 POST_UTME_UNN • 2017 • PHYSICS • objective

A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. The particle is subject to a centripetal force $F_c$ given by $F_c = \frac{mv^2}{r}$. If the particle's speed is doubled, what is the new centripetal force $F_{c,new}$?

Correct Answer A. \frac{2mv^2}{r}

B. \frac{mv^2}{2r}

C. \frac{mv^2}{r}

D. \frac{mv^2}{4r}

Correct Answer

Correct Option:

\frac{2mv^2}{r}

This is Post Utme Unn 2017 Physics Question 16. It is one of the objective questions from the 2017 Post Utme Unn Physics examination.

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